NL60469C - - Google Patents
Info
- Publication number
- NL60469C NL60469C NL60469DA NL60469C NL 60469 C NL60469 C NL 60469C NL 60469D A NL60469D A NL 60469DA NL 60469 C NL60469 C NL 60469C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL60469C true NL60469C (h) | 1900-01-01 |
Family
ID=1815807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL60469D NL60469C (h) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL60469C (h) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2440464A1 (fr) * | 1978-10-30 | 1980-05-30 | Perot Georges | Dispositif de forage du sol sur de courtes distances |
| DE10334150A1 (de) * | 2003-07-26 | 2005-02-17 | Fischerwerke Artur Fischer Gmbh & Co. Kg | Werkzeug zum Aufrauen von Bohrlöchern |
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0
- NL NL60469D patent/NL60469C/xx active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2440464A1 (fr) * | 1978-10-30 | 1980-05-30 | Perot Georges | Dispositif de forage du sol sur de courtes distances |
| DE10334150A1 (de) * | 2003-07-26 | 2005-02-17 | Fischerwerke Artur Fischer Gmbh & Co. Kg | Werkzeug zum Aufrauen von Bohrlöchern |